﻿/*
Copyright 2010 Shane Ng

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using javax.servlet;

namespace Jeans {
    public abstract class BaseServletConfig {
        protected XElement config;
        protected ServletContext context;
        public BaseServletConfig(ServletContext context, XElement config) {
            this.config = config;
            this.context = context;
        }

        public string getInitParameter(string str) {
            return config.Elements("init-param")
                         .SingleOrDefault(e => e.Element("param-name").Value == str)
                         .ReturnOrDefault(e => e.Element("param-value").Value);
        }

        public java.util.Enumeration getInitParameterNames() {
            return new JavaEnumerator<string>(config.Elements("init-param").Elements("param-name").Select(e => e.Value));
        }

        public javax.servlet.ServletContext getServletContext() {
            return context;
        }

        public abstract String getName();
    }
}
